.changePwd{
    width: 400px;
    margin: 20px 100px;
}
h4{
    text-align: center;
}
table tr>td{
    padding: 10px ;
}
table tr>td:nth-of-type(1){
    text-align: right;
}
a{
    width: 50px;
    font-size: 12px;
    background-color: #ccc;
    margin-left: 20px;
}
